<table border="1" mj_done="true">
    <thead>
    <tr>
        <th>序号</th>
        <th>编号</th>
        <th>题目</th>
        <th>通过率</th>
        <th>难度</th>
        <th>出题指数</th>
        <th>出现频率</th>
    </tr>
    </thead>
    <tbody>
    <tr>
        <td>1</td>
        <td>1</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/two-sum/">两数之和</a></td>
        <td>47.5%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.088</td>
    </tr>
    <tr>
        <td>2</td>
        <td>3</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-substring-without-repeating-characters/">无重复字符的最长子串</a>
        </td>
        <td>32.8%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.173</td>
    </tr>
    <tr>
        <td>3</td>
        <td>5</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-palindromic-substring/">最长回文子串</a></td>
        <td>28.4%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.241</td>
    </tr>
    <tr>
        <td>4</td>
        <td>4</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/median-of-two-sorted-arrays/">寻找两个有序数组的中位数</a>
        </td>
        <td>36.7%</td>
        <td>困难</td>
        <td>3</td>
        <td>0.238</td>
    </tr>
    <tr>
        <td>5</td>
        <td>2</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-two-numbers/">两数相加</a></td>
        <td>36.6%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.081</td>
    </tr>
    <tr>
        <td>6</td>
        <td>7</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-integer/">整数反转</a></td>
        <td>33.6%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.082</td>
    </tr>
    <tr>
        <td>7</td>
        <td>72</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/edit-distance/">编辑距离</a></td>
        <td>56.1%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.368</td>
    </tr>
    <tr>
        <td>8</td>
        <td>141</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/linked-list-cycle/">环形链表</a></td>
        <td>46.1%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.114</td>
    </tr>
    <tr>
        <td>9</td>
        <td>15</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/3sum/">三数之和</a></td>
        <td>25.4%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.072</td>
    </tr>
    <tr>
        <td>10</td>
        <td>33</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/search-in-rotated-sorted-array/">搜索旋转排序数组</a></td>
        <td>36.3%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.132</td>
    </tr>
    <tr>
        <td>11</td>
        <td>46</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/permutations/">全排列</a></td>
        <td>73.9%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.135</td>
    </tr>
    <tr>
        <td>12</td>
        <td>60</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/permutation-sequence/">第k个排列</a></td>
        <td>48.1%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.355</td>
    </tr>
    <tr>
        <td>13</td>
        <td>121</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock/">买卖股票的最佳时机</a>
        </td>
        <td>52.3%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.087</td>
    </tr>
    <tr>
        <td>14</td>
        <td>53</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-subarray/">最大子序和</a></td>
        <td>49.0%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.059</td>
    </tr>
    <tr>
        <td>15</td>
        <td>312</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/burst-balloons/">戳气球</a></td>
        <td>57.5%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.641</td>
    </tr>
    <tr>
        <td>16</td>
        <td>20</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-parentheses/">有效的括号</a></td>
        <td>40.8%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.047</td>
    </tr>
    <tr>
        <td>17</td>
        <td>42</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/trapping-rain-water/">接雨水</a></td>
        <td>48.4%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.145</td>
    </tr>
    <tr>
        <td>18</td>
        <td>62</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/unique-paths/">不同路径</a></td>
        <td>58.7%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.108</td>
    </tr>
    <tr>
        <td>19</td>
        <td>70</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/climbing-stairs/">爬楼梯</a></td>
        <td>47.8%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.065</td>
    </tr>
    <tr>
        <td>20</td>
        <td>169</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/majority-element/">多数元素</a></td>
        <td>61.5%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.103</td>
    </tr>
    <tr>
        <td>21</td>
        <td>22</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/generate-parentheses/">括号生成</a></td>
        <td>73.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.083</td>
    </tr>
    <tr>
        <td>22</td>
        <td>11</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/container-with-most-water/">盛最多水的容器</a></td>
        <td>61.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.053</td>
    </tr>
    <tr>
        <td>23</td>
        <td>9</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-number/">回文数</a></td>
        <td>57.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.031</td>
    </tr>
    <tr>
        <td>24</td>
        <td>223</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rectangle-area/">矩形面积</a></td>
        <td>42.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.525</td>
    </tr>
    <tr>
        <td>25</td>
        <td>394</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/decode-string/">字符串解码</a></td>
        <td>48.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.186</td>
    </tr>
    <tr>
        <td>26</td>
        <td>23</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-k-sorted-lists/">合并K个排序链表</a></td>
        <td>48.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.08</td>
    </tr>
    <tr>
        <td>27</td>
        <td>25</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-nodes-in-k-group/">K 个一组翻转链表</a></td>
        <td>56.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.128</td>
    </tr>
    <tr>
        <td>28</td>
        <td>64</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-path-sum/">最小路径和</a></td>
        <td>64.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.076</td>
    </tr>
    <tr>
        <td>29</td>
        <td>146</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/lru-cache/">LRU缓存机制</a></td>
        <td>45.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.137</td>
    </tr>
    <tr>
        <td>30</td>
        <td>147</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/insertion-sort-list/">对链表进行插入排序</a></td>
        <td>62.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.225</td>
    </tr>
    <tr>
        <td>31</td>
        <td>206</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-linked-list/">反转链表</a></td>
        <td>66.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.041</td>
    </tr>
    <tr>
        <td>32</td>
        <td>234</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-linked-list/">回文链表</a></td>
        <td>40.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.084</td>
    </tr>
    <tr>
        <td>33</td>
        <td>664</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/strange-printer/">奇怪的打印机</a></td>
        <td>41.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.343</td>
    </tr>
    <tr>
        <td>34</td>
        <td>826</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/most-profit-assigning-work/">安排工作以达到最大收益</a></td>
        <td>34.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.734</td>
    </tr>
    <tr>
        <td>35</td>
        <td>386</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/lexicographical-numbers/">字典序排数</a></td>
        <td>68.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.552</td>
    </tr>
    <tr>
        <td>36</td>
        <td>31</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/next-permutation/">下一个排列</a></td>
        <td>32.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.092</td>
    </tr>
    <tr>
        <td>37</td>
        <td>382</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/linked-list-random-node/">链表随机节点</a></td>
        <td>54.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.773</td>
    </tr>
    <tr>
        <td>38</td>
        <td>21</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-two-sorted-lists/">合并两个有序链表</a></td>
        <td>59.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.032</td>
    </tr>
    <tr>
        <td>39</td>
        <td>19</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list/">删除链表的倒数第N个节点</a></td>
        <td>37.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.045</td>
    </tr>
    <tr>
        <td>40</td>
        <td>287</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-the-duplicate-number/">寻找重复数</a></td>
        <td>62.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.131</td>
    </tr>
    <tr>
        <td>41</td>
        <td>84</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/largest-rectangle-in-histogram/">柱状图中最大的矩形</a>
        </td>
        <td>38.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.143</td>
    </tr>
    <tr>
        <td>42</td>
        <td>45</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/jump-game-ii/">跳跃游戏 II</a></td>
        <td>33.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.101</td>
    </tr>
    <tr>
        <td>43</td>
        <td>199</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-right-side-view/">二叉树的右视图</a></td>
        <td>63.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.134</td>
    </tr>
    <tr>
        <td>44</td>
        <td>845</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-mountain-in-array/">数组中的最长山脉</a></td>
        <td>33.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.722</td>
    </tr>
    <tr>
        <td>45</td>
        <td>35</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/search-insert-position/">搜索插入位置</a></td>
        <td>45.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.032</td>
    </tr>
    <tr>
        <td>46</td>
        <td>47</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/permutations-ii/">全排列 II</a></td>
        <td>56.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.085</td>
    </tr>
    <tr>
        <td>47</td>
        <td>56</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-intervals/">合并区间</a></td>
        <td>40.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.06</td>
    </tr>
    <tr>
        <td>48</td>
        <td>94</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-inorder-traversal/">二叉树的中序遍历</a></td>
        <td>70.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.037</td>
    </tr>
    <tr>
        <td>49</td>
        <td>101</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/symmetric-tree/">对称二叉树</a></td>
        <td>49.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.035</td>
    </tr>
    <tr>
        <td>50</td>
        <td>142</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/linked-list-cycle-ii/">环形链表 II</a></td>
        <td>48.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.061</td>
    </tr>
    <tr>
        <td>51</td>
        <td>167</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/two-sum-ii-input-array-is-sorted/">两数之和 II -
            输入有序数组</a></td>
        <td>52.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.048</td>
    </tr>
    <tr>
        <td>52</td>
        <td>178</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rank-scores/">分数排名</a></td>
        <td>60.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.148</td>
    </tr>
    <tr>
        <td>53</td>
        <td>202</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/happy-number/">快乐数</a></td>
        <td>57.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.081</td>
    </tr>
    <tr>
        <td>54</td>
        <td>207</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/course-schedule/">课程表</a></td>
        <td>49.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.128</td>
    </tr>
    <tr>
        <td>55</td>
        <td>292</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/nim-game/">Nim 游戏</a></td>
        <td>69.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.108</td>
    </tr>
    <tr>
        <td>56</td>
        <td>300</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-increasing-subsequence/">最长上升子序列</a></td>
        <td>43.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.073</td>
    </tr>
    <tr>
        <td>57</td>
        <td>304</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/range-sum-query-2d-immutable/">二维区域和检索 - 矩阵不可变</a>
        </td>
        <td>42.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.324</td>
    </tr>
    <tr>
        <td>58</td>
        <td>650</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/2-keys-keyboard/">只有两个键的键盘</a></td>
        <td>47.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.432</td>
    </tr>
    <tr>
        <td>59</td>
        <td>478</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/generate-random-point-in-a-circle/">在圆内随机生成点</a>
        </td>
        <td>38.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.909</td>
    </tr>
    <tr>
        <td>60</td>
        <td>176</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/second-highest-salary/">第二高的薪水</a></td>
        <td>33.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.068</td>
    </tr>
    <tr>
        <td>61</td>
        <td>102</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-level-order-traversal/">二叉树的层次遍历</a>
        </td>
        <td>60.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.045</td>
    </tr>
    <tr>
        <td>62</td>
        <td>51</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/n-queens/">N皇后</a></td>
        <td>67.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.117</td>
    </tr>
    <tr>
        <td>63</td>
        <td>14</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-common-prefix/">最长公共前缀</a></td>
        <td>36.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.024</td>
    </tr>
    <tr>
        <td>64</td>
        <td>135</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/candy/">分发糖果</a></td>
        <td>41.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.205</td>
    </tr>
    <tr>
        <td>65</td>
        <td>540</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/single-element-in-a-sorted-array/">有序数组中的单一元素</a>
        </td>
        <td>60.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.352</td>
    </tr>
    <tr>
        <td>66</td>
        <td>8</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/string-to-integer-atoi/">字符串转换整数 (atoi)</a></td>
        <td>19.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.035</td>
    </tr>
    <tr>
        <td>67</td>
        <td>97</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/interleaving-string/">交错字符串</a></td>
        <td>38.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.261</td>
    </tr>
    <tr>
        <td>68</td>
        <td>50</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/powx-n/">Pow(x, n)</a></td>
        <td>33.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.062</td>
    </tr>
    <tr>
        <td>69</td>
        <td>378</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/kth-smallest-element-in-a-sorted-matrix/">有序矩阵中第K小的元素</a>
        </td>
        <td>57.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.21</td>
    </tr>
    <tr>
        <td>70</td>
        <td>18</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/4sum/">四数之和</a></td>
        <td>37.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.063</td>
    </tr>
    <tr>
        <td>71</td>
        <td>26</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array/">删除排序数组中的重复项</a></td>
        <td>48.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.02</td>
    </tr>
    <tr>
        <td>72</td>
        <td>32</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-valid-parentheses/">最长有效括号</a></td>
        <td>29.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.072</td>
    </tr>
    <tr>
        <td>73</td>
        <td>75</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sort-colors/">颜色分类</a></td>
        <td>54.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.059</td>
    </tr>
    <tr>
        <td>74</td>
        <td>560</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/subarray-sum-equals-k/">和为K的子数组</a></td>
        <td>43.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.171</td>
    </tr>
    <tr>
        <td>75</td>
        <td>200</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-islands/">岛屿数量</a></td>
        <td>46.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.06</td>
    </tr>
    <tr>
        <td>76</td>
        <td>237</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/delete-node-in-a-linked-list/">删除链表中的节点</a></td>
        <td>79.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.052</td>
    </tr>
    <tr>
        <td>77</td>
        <td>264</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/ugly-number-ii/">丑数 II</a></td>
        <td>49.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.153</td>
    </tr>
    <tr>
        <td>78</td>
        <td>347</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/top-k-frequent-elements/">前 K 个高频元素</a></td>
        <td>60.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.087</td>
    </tr>
    <tr>
        <td>79</td>
        <td>162</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-peak-element/">寻找峰值</a></td>
        <td>44.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.116</td>
    </tr>
    <tr>
        <td>80</td>
        <td>54</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/spiral-matrix/">螺旋矩阵</a></td>
        <td>38.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.075</td>
    </tr>
    <tr>
        <td>81</td>
        <td>55</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/jump-game/">跳跃游戏</a></td>
        <td>38.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.054</td>
    </tr>
    <tr>
        <td>82</td>
        <td>93</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/restore-ip-addresses/">复原IP地址</a></td>
        <td>45.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.134</td>
    </tr>
    <tr>
        <td>83</td>
        <td>136</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/single-number/">只出现一次的数字</a></td>
        <td>65.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.032</td>
    </tr>
    <tr>
        <td>84</td>
        <td>138</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/copy-list-with-random-pointer/">复制带随机指针的链表</a>
        </td>
        <td>43.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.14</td>
    </tr>
    <tr>
        <td>85</td>
        <td>149</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/max-points-on-a-line/">直线上最多的点数</a></td>
        <td>20.4%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.309</td>
    </tr>
    <tr>
        <td>86</td>
        <td>171</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/excel-sheet-column-number/">Excel表列序号</a></td>
        <td>66.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.111</td>
    </tr>
    <tr>
        <td>87</td>
        <td>696</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/count-binary-substrings/">计数二进制子串</a></td>
        <td>49.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.374</td>
    </tr>
    <tr>
        <td>88</td>
        <td>122</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii/">买卖股票的最佳时机
            II</a></td>
        <td>57.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.035</td>
    </tr>
    <tr>
        <td>89</td>
        <td>137</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/single-number-ii/">只出现一次的数字 II</a></td>
        <td>65.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.157</td>
    </tr>
    <tr>
        <td>90</td>
        <td>440</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/k-th-smallest-in-lexicographical-order/">字典序的第K小数字</a></td>
        <td>31.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.319</td>
    </tr>
    <tr>
        <td>91</td>
        <td>455</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/assign-cookies/">分发饼干</a></td>
        <td>52.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.061</td>
    </tr>
    <tr>
        <td>92</td>
        <td>543</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/diameter-of-binary-tree/">二叉树的直径</a></td>
        <td>47.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.056</td>
    </tr>
    <tr>
        <td>93</td>
        <td>24</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/swap-nodes-in-pairs/">两两交换链表中的节点</a></td>
        <td>64.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.022</td>
    </tr>
    <tr>
        <td>94</td>
        <td>39</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/combination-sum/">组合总和</a></td>
        <td>68.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.028</td>
    </tr>
    <tr>
        <td>95</td>
        <td>48</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rotate-image/">旋转图像</a></td>
        <td>66.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.032</td>
    </tr>
    <tr>
        <td>96</td>
        <td>98</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/validate-binary-search-tree/">验证二叉搜索树</a></td>
        <td>28.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.025</td>
    </tr>
    <tr>
        <td>97</td>
        <td>99</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/recover-binary-search-tree/">恢复二叉搜索树</a></td>
        <td>54.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.136</td>
    </tr>
    <tr>
        <td>98</td>
        <td>144</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-preorder-traversal/">二叉树的前序遍历</a></td>
        <td>64.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.029</td>
    </tr>
    <tr>
        <td>99</td>
        <td>181</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/employees-earning-more-than-their-managers/">超过经理收入的员工</a>
        </td>
        <td>68.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.06</td>
    </tr>
    <tr>
        <td>100</td>
        <td>235</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-search-tree/">二叉搜索树的最近公共祖先</a>
        </td>
        <td>62.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.047</td>
    </tr>
    <tr>
        <td>101</td>
        <td>744</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-smallest-letter-greater-than-target/">寻找比目标字母大的最小字母</a>
        </td>
        <td>44.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.131</td>
    </tr>
    <tr>
        <td>102</td>
        <td>799</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/champagne-tower/">香槟塔</a></td>
        <td>34.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.602</td>
    </tr>
    <tr>
        <td>103</td>
        <td>844</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/backspace-string-compare/">比较含退格的字符串</a></td>
        <td>50.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.11</td>
    </tr>
    <tr>
        <td>104</td>
        <td>846</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/hand-of-straights/">一手顺子</a></td>
        <td>45.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.516</td>
    </tr>
    <tr>
        <td>105</td>
        <td>878</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/nth-magical-number/">第 N 个神奇数字</a></td>
        <td>22.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.753</td>
    </tr>
    <tr>
        <td>106</td>
        <td>198</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/house-robber/">打家劫舍</a></td>
        <td>42.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.022</td>
    </tr>
    <tr>
        <td>107</td>
        <td>415</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-strings/">字符串相加</a></td>
        <td>49.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.07</td>
    </tr>
    <tr>
        <td>108</td>
        <td>601</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/human-traffic-of-stadium/">体育馆的人流量</a></td>
        <td>44.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.283</td>
    </tr>
    <tr>
        <td>109</td>
        <td>145</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-postorder-traversal/">二叉树的后序遍历</a>
        </td>
        <td>70.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.037</td>
    </tr>
    <tr>
        <td>110</td>
        <td>836</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rectangle-overlap/">矩形重叠</a></td>
        <td>45.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.244</td>
    </tr>
    <tr>
        <td>111</td>
        <td>185</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/department-top-three-salaries/">部门工资前三高的所有员工</a>
        </td>
        <td>41.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.147</td>
    </tr>
    <tr>
        <td>112</td>
        <td>898</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/bitwise-ors-of-subarrays/">子数组按位或操作</a></td>
        <td>26.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.638</td>
    </tr>
    <tr>
        <td>113</td>
        <td>746</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/min-cost-climbing-stairs/">使用最小花费爬楼梯</a></td>
        <td>46.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.075</td>
    </tr>
    <tr>
        <td>114</td>
        <td>464</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/can-i-win/">我能赢吗</a></td>
        <td>33.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.343</td>
    </tr>
    <tr>
        <td>115</td>
        <td>424</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-repeating-character-replacement/">替换后的最长重复字符</a>
        </td>
        <td>45.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.237</td>
    </tr>
    <tr>
        <td>116</td>
        <td>547</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/friend-circles/">朋友圈</a></td>
        <td>54.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.076</td>
    </tr>
    <tr>
        <td>117</td>
        <td>239</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sliding-window-maximum/">滑动窗口最大值</a></td>
        <td>43.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.059</td>
    </tr>
    <tr>
        <td>118</td>
        <td>1026</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-difference-between-node-and-ancestor/">节点与其祖先之间的最大差值</a>
        </td>
        <td>56.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.467</td>
    </tr>
    <tr>
        <td>119</td>
        <td>78</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/subsets/">子集</a></td>
        <td>76.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.028</td>
    </tr>
    <tr>
        <td>120</td>
        <td>182</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/duplicate-emails/">查找重复的电子邮箱</a></td>
        <td>78.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.053</td>
    </tr>
    <tr>
        <td>121</td>
        <td>88</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-sorted-array/">合并两个有序数组</a></td>
        <td>46.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.017</td>
    </tr>
    <tr>
        <td>122</td>
        <td>91</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/decode-ways/">解码方法</a></td>
        <td>23.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.04</td>
    </tr>
    <tr>
        <td>123</td>
        <td>189</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rotate-array/">旋转数组</a></td>
        <td>40.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.025</td>
    </tr>
    <tr>
        <td>124</td>
        <td>259</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/3sum-smaller/">较小的三数之和</a></td>
        <td>56.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.444</td>
    </tr>
    <tr>
        <td>125</td>
        <td>40</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/combination-sum-ii/">组合总和 II</a></td>
        <td>59.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.041</td>
    </tr>
    <tr>
        <td>126</td>
        <td>85</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximal-rectangle/">最大矩形</a></td>
        <td>44.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.078</td>
    </tr>
    <tr>
        <td>127</td>
        <td>124</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-maximum-path-sum/">二叉树中的最大路径和</a></td>
        <td>39.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.064</td>
    </tr>
    <tr>
        <td>128</td>
        <td>722</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/remove-comments/">删除注释</a></td>
        <td>27.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.458</td>
    </tr>
    <tr>
        <td>129</td>
        <td>739</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/daily-temperatures/">每日温度</a></td>
        <td>58.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.054</td>
    </tr>
    <tr>
        <td>130</td>
        <td>600</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/non-negative-integers-without-consecutive-ones/">不含连续1的非负整数</a>
        </td>
        <td>29.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.669</td>
    </tr>
    <tr>
        <td>131</td>
        <td>105</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/">从前序与中序遍历序列构造二叉树</a>
        </td>
        <td>64.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.037</td>
    </tr>
    <tr>
        <td>132</td>
        <td>160</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/intersection-of-two-linked-lists/">相交链表</a></td>
        <td>52.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.024</td>
    </tr>
    <tr>
        <td>133</td>
        <td>283</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/move-zeroes/">移动零</a></td>
        <td>59.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.022</td>
    </tr>
    <tr>
        <td>134</td>
        <td>349</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/intersection-of-two-arrays/">两个数组的交集</a></td>
        <td>68.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.041</td>
    </tr>
    <tr>
        <td>135</td>
        <td>437</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/path-sum-iii/">路径总和 III</a></td>
        <td>53.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.061</td>
    </tr>
    <tr>
        <td>136</td>
        <td>521</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-uncommon-subsequence-i/">最长特殊序列 Ⅰ</a></td>
        <td>65.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.157</td>
    </tr>
    <tr>
        <td>137</td>
        <td>647</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindromic-substrings/">回文子串</a></td>
        <td>60.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.082</td>
    </tr>
    <tr>
        <td>138</td>
        <td>470</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/implement-rand10-using-rand7/">用 Rand7() 实现
            Rand10()</a></td>
        <td>44.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.304</td>
    </tr>
    <tr>
        <td>139</td>
        <td>494</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/target-sum/">目标和</a></td>
        <td>43.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.087</td>
    </tr>
    <tr>
        <td>140</td>
        <td>10</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/regular-expression-matching/">正则表达式匹配</a></td>
        <td>26.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.032</td>
    </tr>
    <tr>
        <td>141</td>
        <td>28</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/implement-strstr/">实现 strStr()</a></td>
        <td>39.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.017</td>
    </tr>
    <tr>
        <td>142</td>
        <td>34</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array/">在排序数组中查找元素的第一个和最后一个位置</a>
        </td>
        <td>38.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.024</td>
    </tr>
    <tr>
        <td>143</td>
        <td>118</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/pascals-triangle/">杨辉三角</a></td>
        <td>65.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.029</td>
    </tr>
    <tr>
        <td>144</td>
        <td>128</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-consecutive-sequence/">最长连续序列</a></td>
        <td>47.6%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.069</td>
    </tr>
    <tr>
        <td>145</td>
        <td>179</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/largest-number/">最大数</a></td>
        <td>35.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.074</td>
    </tr>
    <tr>
        <td>146</td>
        <td>196</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/delete-duplicate-emails/">删除重复的电子邮箱</a></td>
        <td>59.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.087</td>
    </tr>
    <tr>
        <td>147</td>
        <td>226</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/invert-binary-tree/">翻转二叉树</a></td>
        <td>73.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.028</td>
    </tr>
    <tr>
        <td>148</td>
        <td>290</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-pattern/">单词规律</a></td>
        <td>41.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.09</td>
    </tr>
    <tr>
        <td>149</td>
        <td>316</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/remove-duplicate-letters/">去除重复字母</a></td>
        <td>37.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.183</td>
    </tr>
    <tr>
        <td>150</td>
        <td>657</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/robot-return-to-origin/">机器人能否返回原点</a></td>
        <td>73.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.108</td>
    </tr>
    <tr>
        <td>151</td>
        <td>771</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/jewels-and-stones/">宝石与石头</a></td>
        <td>81.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.058</td>
    </tr>
    <tr>
        <td>152</td>
        <td>905</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sort-array-by-parity/">按奇偶排序数组</a></td>
        <td>68.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.082</td>
    </tr>
    <tr>
        <td>153</td>
        <td>1031</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-sum-of-two-non-overlapping-subarrays/">两个非重叠子数组的最大和</a>
        </td>
        <td>49.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.638</td>
    </tr>
    <tr>
        <td>154</td>
        <td>13</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/roman-to-integer/">罗马数字转整数</a></td>
        <td>60.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.015</td>
    </tr>
    <tr>
        <td>155</td>
        <td>73</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/set-matrix-zeroes/">矩阵置零</a></td>
        <td>55.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.057</td>
    </tr>
    <tr>
        <td>156</td>
        <td>74</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/search-a-2d-matrix/">搜索二维矩阵</a></td>
        <td>37.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.046</td>
    </tr>
    <tr>
        <td>157</td>
        <td>83</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list/">删除排序链表中的重复元素</a></td>
        <td>49.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.025</td>
    </tr>
    <tr>
        <td>158</td>
        <td>86</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/partition-list/">分隔链表</a></td>
        <td>55.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.054</td>
    </tr>
    <tr>
        <td>159</td>
        <td>139</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-break/">单词拆分</a></td>
        <td>43.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.043</td>
    </tr>
    <tr>
        <td>160</td>
        <td>188</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-iv/">买卖股票的最佳时机
            IV</a></td>
        <td>28.8%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.102</td>
    </tr>
    <tr>
        <td>161</td>
        <td>215</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/kth-largest-element-in-an-array/">数组中的第K个最大元素</a>
        </td>
        <td>60.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.025</td>
    </tr>
    <tr>
        <td>162</td>
        <td>229</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/majority-element-ii/">求众数 II</a></td>
        <td>42.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.148</td>
    </tr>
    <tr>
        <td>163</td>
        <td>268</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/missing-number/">缺失数字</a></td>
        <td>54.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.042</td>
    </tr>
    <tr>
        <td>164</td>
        <td>309</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-with-cooldown/">最佳买卖股票时机含冷冻期</a>
        </td>
        <td>51.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.073</td>
    </tr>
    <tr>
        <td>165</td>
        <td>319</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/bulb-switcher/">灯泡开关</a></td>
        <td>44.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.182</td>
    </tr>
    <tr>
        <td>166</td>
        <td>341</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/flatten-nested-list-iterator/">扁平化嵌套列表迭代器</a></td>
        <td>62.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.185</td>
    </tr>
    <tr>
        <td>167</td>
        <td>345</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-vowels-of-a-string/">反转字符串中的元音字母</a></td>
        <td>49.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.059</td>
    </tr>
    <tr>
        <td>168</td>
        <td>371</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sum-of-two-integers/">两整数之和</a></td>
        <td>53.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.076</td>
    </tr>
    <tr>
        <td>169</td>
        <td>416</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/partition-equal-subset-sum/">分割等和子集</a></td>
        <td>44.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.09</td>
    </tr>
    <tr>
        <td>170</td>
        <td>485</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/max-consecutive-ones/">最大连续1的个数</a></td>
        <td>55.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.068</td>
    </tr>
    <tr>
        <td>171</td>
        <td>516</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-palindromic-subsequence/">最长回文子序列</a></td>
        <td>49.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.125</td>
    </tr>
    <tr>
        <td>172</td>
        <td>572</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/subtree-of-another-tree/">另一个树的子树</a></td>
        <td>43.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.098</td>
    </tr>
    <tr>
        <td>173</td>
        <td>611</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-triangle-number/">有效三角形的个数</a></td>
        <td>48.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.309</td>
    </tr>
    <tr>
        <td>174</td>
        <td>665</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/non-decreasing-array/">非递减数列</a></td>
        <td>21.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.085</td>
    </tr>
    <tr>
        <td>175</td>
        <td>678</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-parenthesis-string/">有效的括号字符串</a></td>
        <td>29.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.286</td>
    </tr>
    <tr>
        <td>176</td>
        <td>680</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-palindrome-ii/">验证回文字符串 Ⅱ</a></td>
        <td>35.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.082</td>
    </tr>
    <tr>
        <td>177</td>
        <td>692</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/top-k-frequent-words/">前K个高频单词</a></td>
        <td>48.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.185</td>
    </tr>
    <tr>
        <td>178</td>
        <td>709</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/to-lower-case/">转换成小写字母</a></td>
        <td>75.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.066</td>
    </tr>
    <tr>
        <td>179</td>
        <td>104</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-depth-of-binary-tree/">二叉树的最大深度</a></td>
        <td>72.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.015</td>
    </tr>
    <tr>
        <td>180</td>
        <td>58</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/length-of-last-word/">最后一个单词的长度</a></td>
        <td>32.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.026</td>
    </tr>
    <tr>
        <td>181</td>
        <td>130</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/surrounded-regions/">被围绕的区域</a></td>
        <td>39.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.067</td>
    </tr>
    </tbody>
</table>